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Last modified by Sofia Kostakonti on 2022/04/05 14:08
From version Icon 109.1 Icon
edited by Marlein Vogels
on 2022/04/04 17:20
Change comment: There is no comment for this version
To version Icon 114.1 Icon
edited by Sofia Kostakonti
on 2022/04/04 19:44
Change comment: There is no comment for this version

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23 23  
24 24  == Participants ==
25 25  
26 -As there are practical difficulties with conducting the experiment with actual people with dementia due to both time constraints and COVID, our participants' group consists of peers from other groups and friends. In total we had 19 people take part in our experiment.
26 +As there are practical difficulties with conducting the experiment with actual people with dementia, due to both time constraints and COVID, our participants' group consists of peers from other groups and friends. In total we had 19 people take part in our experiment.
27 27  
28 28  == Experimental design ==
29 29  
30 -For the experiment we used a within-subject design. All of the participants interacted with both versions of the robot, with half of the participants interacting with the version 1 first and then version 2, and the other half in reverse order. This was done to counter-balance the carryover effects. Snacks were made available for the participants, in case they were prompted and they ewre hungry. The participants were unaware of the possibility of eating snacks, to prevent disturbing the interaction with the robot. Otherwise the subjects would have been primed for eating, which would have biased the results and hide the effect of the robotic interaction.
30 +For the experiment, we used a within-subject design. All of the participants interacted with both versions of the robot, with half of the participants interacting with version 1 first and then version 2, and the other half in reverse order. This was done to counter-balance the carryover effects. Snacks were made available for the participants, in case they were prompted and were hungry. They were fully aware of them and some of the questionnaire prompts might have given them an idea of what our experiment is about (or at least that it's related to food), which might have skewed our results.
31 31  
32 32  == Tasks ==
33 33  
34 -The participant interacted with the robot, which was programmed to engage in a lunch discourse. Two versions were implemented: the first version asks basic questions about mealtime, mostly acting as a reminder for the PwD to have lunch (basically an alarm clock). The second is our original implementation of it with the more sophisticated discourse and music.
34 +The participant interacted with the robot, which was programmed to engage in a lunch discourse. Two versions were implemented: the first version (simple interaction) asks basic questions about mealtime, mostly acting as a reminder for the PwD to have lunch (basically an alarm clock). The second (advanced interaction) is our original implementation of it with the more sophisticated discourse and music.
35 35  
36 36  == Measures ==
37 37  
Icon NAO_evaluation.docx
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